{"batchcode": "029L2OA", "histograms": [{"histogram": {"Rheumatoid arthritis": 2, "Feeling abnormal": 1, "Headache": 1, "Musculoskeletal stiffness": 1, "Myalgia": 1, "Pain in jaw": 1, "Vaccination site pruritus": 1, "Vaccination site rash": 1}, "batchcodes": ["029L2OA"]}]}